Home / 1,187,331.10-1,638,692.78-751,788.92

Finding the Fourth Proportional to 1,187,331.10, 1,638,692.78 and 751,788.92

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Solution

The fourth proportional to 1,187,331.10, 1,638,692.78 and 751,788.92 is: 1,037,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,331.10 : 1,638,692.78 = 751,788.92 : x
  2. Step 2: Convert to fraction form
    1,187,331.10/1,638,692.78 = 751,788.92/x
  3. Step 3: Cross multiply
    1,187,331.10x = 1,638,692.78 × 751,788.92
  4. Step 4: Simplify right side
    1,187,331.10x = 1,231,951,075,288.00
  5. Step 5: Solve for x
    x = 1,231,951,075,288.00/1,187,331.10
  6. Step 6: Final answer
    x = 1,037,580.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.